141 research outputs found
Prestigious honour for the discipline of Geography:The Karel Engliš Honorary Medal presentation to Professor Bryn Greer-Wootten
This communication concerns the prestigious award - the Karel Engliš Honorary Medal for Merit in the Social and Economic Sciences - that Bryn Greer-Wootten, Professor Emeritus at York University in Toronto and the Editor-in-Chief of the Moravian Geographical Reports (MGR), received from the Czech Academy of Sciences in2018. The article contains the most important and interesting points from the Laudation by Professor Radim Blaheta (Chair of the Institute of Geonics’ Institutional Board and the previous Director of the Institute), the Response by Professor Greer-Wootten, and the Closing Speech by Bohumil Frantál (Executive Editor of MGR), which were presented during the award ceremony on August 28, 2018 at the historic Löw-Beer Villa in Brno, Czech Republic
A multilevel method with correction by aggregation for solving discrete elliptic problems
summary:The author studies the behaviour of a multi-level method that combines the Jacobi iterations and the correction by aggragation of unknowns. Our considerations are restricted to a simple one-dimensional example, which allows us to employ the technique of the Fourier analysis. Despite of this restriction we are able to demonstrate differences between the behaviour of the algorithm considered and of multigrid methods employing interpolation instead of aggregation
News and announcements
summary:Zemřel profesor Oldřich Kowalski. 70 let matematické olympiády. Za prof. Karlem Vackem. 90 let Dr. Antonína Prokeše. Pavel Winternitz 1936–2021. Vzpomínka na Josefa Daněčka. Devadesát let Ivo Vrkoče. Profesor Radim Blaheta sedmdesátiletý. Vzpomínka na profesora Jiřího Anděla
Multi-level iterative methods and the strengthened CBS inequality
The paper describe new results obtained by the author in estimates of the strengthened C.B.S. constant for hierarchical decomposition of conforming FE spaces. Also some results for nonconforming FE obtained in collaboration with S. Margenov and M. Neytcheva are mentioned
Aplikace paralelních výpočtů v geotechnice
The paper concerns the mathematical modelling of elasticity and thermo-elasticity problems arising from two challenging geotechnical tasks. The modelling leads to solving the sequence of large-scale systems of linear equations. For such systems, we use high performance iterative solvers being able to run on parallel computers
Parallel Schwarz domain decomposition solvers with applications in elasticity and poroelasticity
Využití PVM pro paralelní implementaci metody sdružených gradientů s předpodmíněním
Import 20/04/200
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